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N,N-Diphenyl-p-phenylenediamine |
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Synonyms |
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4,4'-diphenyl-p-phenylenediamine,Antioxidant H |
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CAS No. |
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74-31-7 |
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Structure |
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Specification |
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Initial melting point，℃ 135 Min.
Ash content , ％(m/m) 0.4 Max.
Decrement by heating ，％(m/m) 0.4 Max
Remainder through sieving ,% (m/m) 1.0 Max.
Appearance Sundown powder |
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Application |
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Applied as antioxidant. |
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Remaks |
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